1 Corinthians 9:17-19
17 If I did it because it was my own choice, I would deserve to be paid. But I have no choice. I must tell the Good News. So I am only doing the duty that was given to me. 18 So what do I get for doing it? My reward is that when I tell people the Good News I can offer it to them for free and not use the rights that come with doing this work.
19 I am free. I belong to no other person, but I make myself a slave to everyone. I do this to help save as many people as I can.Read full chapter